package com.westcom.vulb.common;

import com.westcom.vulb.activity.R;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.graphics.RectF;
import android.graphics.Bitmap.Config;
import android.util.AttributeSet;
import android.widget.RelativeLayout;

public class RoundRelativeLayout extends RelativeLayout{
	
	private Paint paint;
	private int roundWidth = 5;
	private int roundHeight = 5;
	private Paint paint2;
	private int mcolor = Color.rgb(0x41,0x6f,0x9b);

	public RoundRelativeLayout(Context context, AttributeSet attrs, int defStyle) 
	{
		super(context, attrs, defStyle);
		init(context, attrs);
	}

	public RoundRelativeLayout(Context context, AttributeSet attrs)
	{
		super(context, attrs);
	    init(context, attrs);
	}

	public RoundRelativeLayout(Context context) 
	{
	    super(context);
	    init(context, null);
	}
	private void init(Context context, AttributeSet attrs)
	{
	    
	    if(attrs != null) {   
	      TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RoundAngleImageView); 
	      roundWidth= a.getDimensionPixelSize(R.styleable.RoundAngleImageView_roundWidth, roundWidth);
	      roundHeight= a.getDimensionPixelSize(R.styleable.RoundAngleImageView_roundHeight, roundHeight);
	    }else {
	      float density = context.getResources().getDisplayMetrics().density;
	      roundWidth = (int) (roundWidth*density);
	      roundHeight = (int) (roundHeight*density);
	    } 
	    
	    paint = new Paint();
	    paint.setColor(Color.RED);
	    paint.setAntiAlias(true);
	    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));
	    
	    paint2 = new Paint();
	    paint2.setXfermode(null);
	}
	@Override
	public void onDraw(Canvas canvas)
	{
	    Bitmap bitmap = Bitmap.createBitmap(getWidth(), getHeight(), Config.ARGB_8888);
	    bitmap.eraseColor(mcolor);
	    Canvas canvas2 = new Canvas(bitmap);
	    super.onDraw(canvas2);
	    drawLeftUp(canvas2);
	    drawRightUp(canvas2);
	    drawLeftDown(canvas2);
	    drawRightDown(canvas2);
	    canvas.drawBitmap(bitmap, 0, 0, paint2);
	    bitmap.recycle();
	}
	private void drawLeftUp(Canvas canvas) 
	{
	    Path path = new Path();
	    path.moveTo(0, roundHeight);
	    path.lineTo(0, 0);
	    path.lineTo(roundWidth, 0);
	    path.arcTo(new RectF(
	        0, 
	        0, 
	        roundWidth*2, 
	        roundHeight*2),-90,-90);
	    path.close();
	    canvas.drawPath(path, paint);
	}
	  
	private void drawLeftDown(Canvas canvas) 
	{
	    Path path = new Path();
	    path.moveTo(0, getHeight()-roundHeight);
	    path.lineTo(0, getHeight());
	    path.lineTo(roundWidth, getHeight());
	    path.arcTo(new RectF(
	        0, 
	        getHeight()-roundHeight*2, 
	        roundWidth*2, 
	        getHeight()),90,90);
	    path.close();
	    canvas.drawPath(path, paint);
	}
	  
	private void drawRightDown(Canvas canvas) 
	{
		Path path = new Path();
	    path.moveTo(getWidth()-roundWidth, getHeight());
	    path.lineTo(getWidth(), getHeight());
	    path.lineTo(getWidth(), getHeight()-roundHeight);
	    path.arcTo(new RectF(
	        getWidth()-roundWidth*2, 
	        getHeight()-roundHeight*2, 
	        getWidth(), 
	        getHeight()), 0, 90);
	    path.close();
	    canvas.drawPath(path, paint);
	}
	  
	private void drawRightUp(Canvas canvas)
	{
	    Path path = new Path();
	    path.moveTo(getWidth(), roundHeight);
	    path.lineTo(getWidth(), 0);
	    path.lineTo(getWidth()-roundWidth, 0);
	    path.arcTo(new RectF(
	        getWidth()-roundWidth*2, 
	        0, 
	        getWidth(), 
	        0+roundHeight*2),-90,90);
	    path.close();
	    canvas.drawPath(path, paint);
	}
	public void setColor(int color)
	{
		mcolor = color;
		this.postInvalidate();
	}

}
